C3123223313331322121111331333133313231333112113313231323132333132322321   >>    C312322331333132212111133133313331323133311211331323132313233313232232   <<    C3123223313331322121111331333133313231333112113313231323132333132322323   >>      C3123223313331322121111331333133313231333112113313231323132333132322322   >>